减少选择单元 Shrink Selection Region
减少存仓单元 Store Keeping Unit ; SKU
新湘少版六年级一单元 what did you do during the holidays
缺少硒鼓单元 missing drum unit
用该种单元计算变截面刚架，具有原始数据量少、计算精度较高等优点。
The calculation using this rigid-frame element has the advantages of less original data requirements and higher accuracy.
数值结果表明，该单元不仅公式简单、自由度少，而且具有令人满意的精度和收敛特性。
The results illustrate the advantages of not only fewer degrees of freedoms and simple formulation, but also satisfactory accuracy and better convergence.
并用尽可能少的显示单元显示尽可能多的故障信息。
It can display the maximum breakdown information with the minimum display units.
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